Dictionary
nor•nic•o•tine
Pronunciation: (nôr-nik'u-tēn"), [key]—
n.
an alkaloid, C
9H
12N
2, extracted from tobacco and related to nicotine but having a lower toxicity: used as an agricultural and horticultural insecticide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.